Finding the Fourth Proportional to 8,020.25, 12,031.88 and 3,089.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,020.25 : 12,031.88 = 3,089.46 : x
2. Step 2: Convert to fraction form
   8,020.25/12,031.88 = 3,089.46/x
3. Step 3: Cross multiply
   8,020.25x = 12,031.88 × 3,089.46
4. Step 4: Simplify right side
   8,020.25x = 37,171,996.54
5. Step 5: Solve for x
   x = 37,171,996.54/8,020.25
6. Step 6: Final answer
   x = 4,634.77